CN208718640U - A kind of interior auxiliary device of logging well of bunch tube - Google Patents
A kind of interior auxiliary device of logging well of bunch tube Download PDFInfo
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- CN208718640U CN208718640U CN201821142872.1U CN201821142872U CN208718640U CN 208718640 U CN208718640 U CN 208718640U CN 201821142872 U CN201821142872 U CN 201821142872U CN 208718640 U CN208718640 U CN 208718640U
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- well
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- leakage
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Abstract
The utility model discloses auxiliary device of logging well in a kind of bunch tube, the bunch tube for bunch tube connection including successively sequence setting looks for drain terminals, the well head tap for placing well logging apparatus, for the depressed control device of decompression；It includes joint body that bunch tube, which looks for drain terminals, and one end of joint body is equipped with the pressurization threeway that drilling pump or cementing truck high-pressure hose connect；Depressed control device includes continuous deviational survey Decompression Controlling head and the first relief valve for being provided thereon；Well head tap looks for drain terminals and depressed control device to be removably fixedly connected with bunch tube respectively.Using device provided by the utility model, well logging apparatus well logging is set in well head tap and looks for leakage, bunch tube is looked for into drain terminals when in use and looks for leakage casing connection, it is connect by pressurization threeway with drilling pump or cementing truck high-pressure hose, it suppresses to start to log well and looks for leakage, it can realize that the well for not filling well head looks for leakage by well logging with pressure, improve to run through and look for leakage efficiency.
Description
Technical field
The utility model relates to drilling technology apparatus fields, more specifically to well logging auxiliary dress in a kind of bunch tube
It sets.
Background technique
During wellbore construction, under after complete casing cementing, last procedure is bunch tube pressure testing, after pressure testing is qualified
Well can be handed over.Often blowout preventer is got rid of before bunch tube pressure testing, only there are casing head flange and casing coupling for well head, if complete
Casing string pressure testing is unqualified, needs to carry out bunch tube to look for leakage.Bunch tube is looked for there are many leakage methods, wherein the most commonly used is bases
The well logging mild flow curve of well looks for leakage method and packer to look for leakage method.Well logging the mild flow curve of well look for leakage method need to bunch tube into
Row is suppressed, and is mainly used for the old well equipped with production tree and is looked for leakage, and the well for being fitted without production tree or blowout preventer wellhead, can only
Look for leakage paragraph by paragraph using packer, heavy workload, the period is long, influences to hand over the well time.
Utility model content
In view of this, the purpose of this utility model is to provide auxiliary device of logging well in a kind of bunch tube, it is existing to solve
The problems such as packer looks for leakage heavy workload paragraph by paragraph, the period is long.
In order to reach above-mentioned first purpose, the utility model is provided the following technical solutions:
A kind of interior auxiliary device of logging well of bunch tube, the bunch tube connected for bunch tube including successively sequence setting look for leakage
Connector, the well head tap for placing well logging apparatus, the depressed control device for decompression；
It includes joint body that described sleeve pipe string, which looks for drain terminals, and one end of the joint body is equipped with drilling pump or cement overall height
Press the pressurization threeway of hose connection；
The depressed control device includes continuous deviational survey Decompression Controlling head and the first relief valve for being provided thereon；
The well head tap looks for drain terminals and the depressed control device are removably fixed to connect with described sleeve pipe string respectively
It connects.
Preferably, one end of the joint body is equipped with for leaking bunch tube pin thread with looking for for leakage casing connection is looked for, described
Crossover sub is removably fixedly connected between joint body and the well head tap.
Preferably, the continuous deviational survey Decompression Controlling head is connect with the well head tap through union.
Preferably, the well head tap is specially the lubricator that length is greater than the length of well logging apparatus, on the lubricator
It is welded with the second relief valve for pressure release.
Preferably, with the crossover sub through protecting connector to connect, the protection connector connects the joint body with described
For head ontology through screwed connection, one end that the protection connector is connect with the crossover sub is equipped with heat-bodied oil pipe female thread.
Preferably, the number of the crossover sub is multiple, and multiple crossover subs are through screwed connection.
Well logging auxiliary device in bunch tube provided by the utility model, including being connected for bunch tube for successively sequence setting
Bunch tube look for drain terminals, the well head tap for placing well logging apparatus, the depressed control device for decompression；Bunch tube looks for leakage
Connector includes joint body, and one end of joint body is equipped with the pressurization threeway that drilling pump or cementing truck high-pressure hose connect；Decompression
Control device includes continuous deviational survey Decompression Controlling head and the first relief valve for being provided thereon；Well head tap looks for leakage with bunch tube respectively
Connector is removably fixedly connected with depressed control device.
Using device provided by the utility model, well logging apparatus well logging is set in well head tap and looks for leakage, when in use will
Bunch tube looks for drain terminals and looks for leakage casing connection, is connect, is suppressed out with drilling pump or cementing truck high-pressure hose by pressurization threeway
Leakage is looked in beginning well logging, can be realized that the well for not filling well head looks for leakage by well logging with pressure, be improved to run through and look for leakage efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of well logging auxiliary device in a kind of bunch tube provided by the embodiment of the utility model；
Fig. 2 is the schematic cross-sectional view that bunch tube provided by the embodiment of the utility model looks for drain terminals.
It is marked in attached drawing as follows:
Bunch tube looks for drain terminals 1, looks for leakage casing pin thread 11, pressurization threeway 12, joint body 13, protection connector 14,27/8″
External upset tubing female thread 15；
Well head tap 2, crossover sub 21, lubricator 22, the second relief valve 23；
Depressed control device 3, union 31, the first relief valve 32, continuous deviational survey Decompression Controlling head 33.
Specific embodiment
The utility model embodiment discloses a kind of interior auxiliary device of logging well of bunch tube, is looked for paragraph by paragraph with solving existing packer
Leak heavy workload, the problems such as period is long.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 2 is please referred to, 1 is a kind of structure of the interior well logging auxiliary device of bunch tube provided by the embodiment of the utility model
Schematic diagram；Fig. 2 is the schematic cross-sectional view that bunch tube provided by the embodiment of the utility model looks for drain terminals.
In a kind of specific embodiment, well logging auxiliary device includes successively sequence in bunch tube provided by the utility model
The bunch tube for bunch tube connection being arranged looks for drain terminals 1, the well head tap 2 for placing well logging apparatus, for decompression
Depressed control device 3；
It includes joint body 13 that bunch tube, which looks for drain terminals 1, and one end of joint body 13 and drilling pump or cementing truck high pressure are soft
The pressurization threeway 12 of pipe connection；It pressurizes and passes through 1502 union pin threads and female thread between threeway 12 and drilling pump or cementing truck high-pressure hose
Cooperation, pressurization threeway 12 are welded in the middle part of joint body 13.Depressed control device 3 includes continuous 33, deviational survey Decompression Controlling head
Body and the first relief valve 32 being provided thereon；Its specific structure and connection relationship can refer to the prior art, and details are not described herein.
Well head tap 2 looks for drain terminals 1 and depressed control device 3 to be removably fixedly connected with bunch tube respectively.Well head tap 2 can basis
Length is arranged in the length of well logging.
Using device provided by the utility model, well logging apparatus well logging is set in well head tap 2 and looks for leakage, when in use will
Bunch tube looks for drain terminals 1 and looks for leakage casing connection, is connect, is suppressed with drilling pump or cementing truck high-pressure hose by pressurization threeway 12
Start well logging and look for leakage, can realize that the well for not filling well head looks for leakage by well logging with pressure, improve to run through and look for leakage efficiency.
Specifically, one end of joint body 13 is equipped with for leaking bunch tube pin thread, connector sheet with looking for for leakage casing connection is looked for
One end of body 13 be equipped with for look for leakage casing connection look for leakage casing pin thread 11, button-type and look for leak bunch tube female thread button-type phase
Together.Crossover sub 21 is removably fixedly connected between joint body 13 and well head tap 2.Joint body 13 and crossover sub 21
It is fixedly connected by screw thread.Further, continuous 33 ontology of deviational survey Decompression Controlling head is connect with well head tap 2 through union 31.
In one embodiment, well head tap 2 is specially the lubricator 22 that length is greater than the length of well logging apparatus, blowout prevention
The second relief valve 23 for pressure release is welded on pipe 22.Joint body 13 is protected connector 14 to connect with crossover sub 21, is protected
Connector 14 and joint body 13 are protected through screwed connection, it is female that the one end for protecting connector 14 to connect with crossover sub 21 is equipped with heat-bodied oil pipe
Button.The number of crossover sub 21 be it is multiple, multiple crossover subs 21 are through screwed connection.
In a kind of specific embodiment, auxiliary device of logging well in bunch tube provided by the utility model, including casing
String looks for drain terminals 1, well head tap 2, depressed control device 3, and bunch tube looks for drain terminals 1 to include joint body 13, look for leakage bunch tube
Pin thread, pressurization threeway 12 and protection connector 14.Pressurization 12 one end of threeway is welded on the middle part of joint body 13, and the other end is
1502 union pin threads, protection 14 one end of connector and joint body 13 pass through autogamy screwed connection and sealing, the other end 27/8It is " outer
Heavy wall tubing female thread 15, well head tap 2 are made of crossover sub 21, multiple lubricators 22 and the second relief valve 23, crossover sub
21 one end and bunch tube look for drain terminals 1 to pass through screwed connection by screwed connection, the other end and lubricator 22, well head tap 2
Length is determined according to the length of Electrical Measuring Instrument, and by screwed connection between well head tap 2, one end is connect with crossover sub 21, separately
One end is connect with depressed control device 3 by union 31, and the second relief valve 23 is welded on 22 ontology of lubricator, Decompression Controlling dress
It sets 3 to be made of union 31, relief valve and continuous deviational survey Decompression Controlling head 33, the first relief valve 32 is welded on continuous deviational survey decompression control
On 33 ontology of head processed.
Wherein, 21 one end button-type of crossover sub is 27/8" external upset tubing pin thread, other end button-type and 22 female thread of lubricator
It is identical.
Using the device carry out well logging look for leakage operation when, will set run through look for drain terminals pin thread and it is required look for leakage set run through company
It connects and carries out sealing, crossover sub 21, lubricator 22 are successively connected into bunchiness and tighten screw thread, logging cable is from top to bottom led to
It crosses depressed control device 3 and connects logger, then logger is put into lubricator 22, union 31 is tightened, by drilling well
Pump or cementing truck high-pressure hose are connected in pressurization threeway 12, by persistently suppressing constant pressure in retaining sleeve string, temperature and
The combination of the loggers such as flow continues downlink by cable in bunch tube, determines leakage according to logger temperature and changes in flow rate
Point after looking for drain junction beam pressure release, successively opens well head tap 2 and the second relief valve 23 and the first pressure release on depressed control device 3
Valve 32 bleeds off overbottom pressure in pipe string, then provision for disengagement, realizes that the well without filling well head looks for leakage by well logging with pressure, improves set and run through
Leakage efficiency is looked for, the leakage period is looked in shortening.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.To the upper of the disclosed embodiments
It states bright, can be realized professional and technical personnel in the field or using the utility model.Various modifications to these embodiments pair
It will be apparent for those skilled in the art, the general principles defined herein can not depart from this reality
In the case where with novel spirit or scope, realize in other embodiments.Therefore, the utility model is not intended to be limited to this
These embodiments shown in text, and it is to fit to the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. a kind of interior auxiliary device of logging well of bunch tube, which is characterized in that be used for what bunch tube connected including successively sequence setting
Bunch tube looks for drain terminals, the well head tap for placing well logging apparatus, the depressed control device for decompression；
It includes joint body that described sleeve pipe string, which looks for drain terminals, and one end of the joint body is equipped with drilling pump or cementing truck high pressure is soft
The pressurization threeway of pipe connection；
The depressed control device includes continuous deviational survey Decompression Controlling head and the first relief valve for being provided thereon；
The well head tap looks for drain terminals and the depressed control device to be removably fixedly connected with described sleeve pipe string respectively.
2. auxiliary device of logging well in bunch tube according to claim 1, which is characterized in that one end of the joint body is set
Have for leaking bunch tube pin thread with looking for for leakage casing connection is looked for, is removably fixed between the joint body and the well head tap
It is connected with crossover sub.
3. auxiliary device of logging well in bunch tube according to claim 2, which is characterized in that the continuous deviational survey Decompression Controlling
Head is connect with the well head tap through union.
4. auxiliary device of logging well in bunch tube according to claim 3, which is characterized in that the well head tap is specially to grow
Degree is greater than the lubricator of the length of well logging apparatus, and the second relief valve for pressure release is welded on the lubricator.
5. auxiliary device of logging well in bunch tube according to claim 4, which is characterized in that the joint body and described turn
Changing-over head through protection connector connection, the protection connector and the joint body through screwed connection, the protection connector with it is described
One end of crossover sub connection is equipped with heat-bodied oil pipe female thread.
6. auxiliary device of logging well in bunch tube according to claim 5, which is characterized in that the number of the crossover sub is
Multiple, multiple crossover subs are through screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142872.1U CN208718640U (en) | 2018-07-18 | 2018-07-18 | A kind of interior auxiliary device of logging well of bunch tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142872.1U CN208718640U (en) | 2018-07-18 | 2018-07-18 | A kind of interior auxiliary device of logging well of bunch tube |
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| Publication Number | Publication Date |
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| CN208718640U true CN208718640U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821142872.1U Active CN208718640U (en) | 2018-07-18 | 2018-07-18 | A kind of interior auxiliary device of logging well of bunch tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123752A (en) * | 2019-12-31 | 2021-07-16 | 中石化石油工程技术服务有限公司 | A pressurization blowout preventer for pressurizing measurement well cementation quality |
-
2018
- 2018-07-18 CN CN201821142872.1U patent/CN208718640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123752A (en) * | 2019-12-31 | 2021-07-16 | 中石化石油工程技术服务有限公司 | A pressurization blowout preventer for pressurizing measurement well cementation quality |
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